Answer:
4/3−4√5+13√7
Step-by-step explanation:
So for whatever reason we don't like it when the radical is in the denominator so we're going to do a process called rationalization and get rid of it. We do this by multiplying both the numerator and denominator by the radical
So for the first part we multiply the numerator and denominator by [tex]\sqrt{28}[/tex] which gives us [tex]\frac{42\sqrt{28} }{28}[/tex] we can then factor the 28 into sqrt(7,2,2) which simplifies to [tex]42*2\sqrt{7}[/tex]/28 So then we can simplify this and get [tex]3\sqrt{7}[/tex] We then can simplify the rest of these radicals and get [tex]2\sqrt{20}=2\sqrt{2*2*5}=4\sqrt{5}[/tex] and [tex]2\sqrt{175}= 2\sqrt{5*5*7}=2*5\sqrt{7}[/tex] This means that so far we have the following:[tex]3\sqrt{7}+ \frac{60}{45}-4\sqrt{5} +10\sqrt{7}[/tex] We can add the like terms and simplify the fraction and get 4/3−4√5+13√7
Scroll down to Page 18.
Step-by-step explanation:
sometimes i just wanna kill my self for pOiNtS
WILL MARK BRAINLIEST!!!! PLEASEEEE HELP!
Answer:
-_-
Step-by-step explanation:
im not in highschool o-0
Number 1. Write an Equation for this situation Amanda is training for a marathon she sets the pace so that every mile takes eight minutes. Write an equation for the amount of time, “t”, it takes her to run “m” miles number 2. Write an equation for this situation bars of chocolate sell for $2.50 each. Write an equation to show how much money, “d”, it costs to buy “x”, number of chocolate bars
ANSWER!
Number 1: t=8m
Number 2: 2.50d=x
How do I find out the exact solutions and approximate solutions?
Answer: Exact solutions are x = 2√2 and x = -2√2
Approximate solutions are x = 2.828 and x = - 2.828
The attachment shows a portion of the graph with this equation. The "zeros" are the solutions.
Step-by-step explanation: To get values for x, we need to isolate x
2x² -6 = 10 Add 6 to both sides and rewrite the equation as
2x² = 16 divide both sides by 2
x² = 8 Factor 8 as 4(2) so you can "pull out" a square.
To solve for x, take the square roots of both sides.
Remember that square roots are positive and negative values.
[tex]\sqrt{x^2}[/tex] = ± [tex]\sqrt{4(2)}[/tex]
x = ± 2√2
x = 2√2 and x = -2√2
We can use a calculator to get approximate values of x.
[tex]2\sqrt{2}[/tex] = ±2.828427125
Round that to x = 2.828 or 2.83 AND x = - 2.828 for approximate values.
WILL GIVE BRAINLIEST PLZ HURRY!!!!!
Aida bought a costume box containing 50 costumes for $300. She sold all of the costumes and made a $250 profit. She sold all of the costumes for the same price. Use the equation 50c−300=250, where c is the selling price of each costume. What was the selling price of one costume in dollars?
Answer:
Step-by-step explanation:
11
Ms. Santo's patio is in the shape of a trapezoid. The trapezoid and its dimensions are shown below.
What is the area of the patio?
O 252 square feet
O 360 square feet
O 315 square feet
O144 square feet
Answer: sorry I don’t shave the answer but I need help
Step-by-step explanation:
Solve for x.
x+23=−22
someone help
Answer:
x = - 45
Step-by-step explanation:
x+23(-23)=−22 (-23)First subtract 23 from both sides
x = - 45
PLEASE HELP!!! ILL MARK BRAINLIEST
Answer:
Beatz on demand
Step-by-step explanation:
Even though it starts at 25 for the fee it has a lower monthly rate cost then itunes. While iTunes charges 8.99 per month Beatz on demand only charges 5.99 a month
Answer: Beatz on Demand
Step-by-step explanation:
The radius of the circle above is 34 mm. What is the circumference of the circle? (Use 7 = 3.14.)
El grupo de quinto grado se dividió en equipos de trabajo y realizó una aplicaciones de rectángulos como su maestra se lo solicitó
Answer:
donde esta la pregunta
Step-by-step explanation:
The fifth grade group was divided into work teams and made a rectangle applications as their teacher requested.
In any triangle ABC, which of the relations
does NOT hold?
AB + BC>CA
BC + CA>AB
AB + BC<CA
AB + CA>BC
ab+bc>can is the correct answer
Mari bought 6 packets of tomato seeds. Each packet contained 24 seeds. She planted 1 packet of the seeds, and 15 seeds sprouted. Which statement about the seeds in the remaining packets is best supported by this information?
Answer:
What are the statements when I know then I can help
Step-by-step explanation:
An equation would be 24-15=9
Step-by-step explanation:
9 seeds didn't sprout
there are only five packets left so 5x24= 120 seeds left to go
Which is the best description for this histogram?
A histogram titled Science Grades has grades on the x-axis and number of students on the y-axis. 2 students received a score of 50 to 59; 5 students received a score of 60 to 69; 8 students received a score of 70 to 79; 5 students received a score of 80 to 89; 2 students received a score of 90 to 100.
It is symmetrical.
It has 2 clusters.
It is not evenly distributed
It has intervals of 5.
Answer:
✨It is A✨
how do I know honestly dont.
The best description for this histogram are,
The data is symmetrical.
It is not evenly distributed.
What are mean, median, and mode?The three main methods for identifying the average value of a set of integers are mean, median, and mode.
Adding the numbers together and dividing the result by the total number of numbers in the list yields the arithmetic mean.
The middle value in a list that is arranged from smallest to greatest is called the median.
The value that appears the most frequently on the list is the mode.
The given data is symmetrical as we can write the no. of students from start or end it will represent the same.
It does not have 2 clusters as no. of clusters can be found by √(n/2).
The data is not evenly distributed as the no. of students in each group is different.
It has an interval of 10 the minimum and the maximum received score.
learn more about symmetric data here :
https://brainly.com/question/10443660
#SPJ5
A shade of green paint is made by mixing blue paint and yellow paint in the ratio of 4 to 3. How many pints of blue paint and yellow paint are needed to make 21 pints of the green paint? A. 12 pints of blue paint and 3 pints of yellow paint B. 9 pints of blue paint and 12 pints of yellow paint C. 16 pints of blue paint and 9 pints of yellow paint D. 12 pints of blue paint and 9 pints of yellow paint
Answer:
D
Step-by-step explanation:
The sum of the ratios = 4 + 3 = 7
The ratio of blue paint to the total paint = 4/7
The ratio of yellow paint to the total paint = 3/7
Pints of blue paint needed to make 21 pints of the green paint = 4/7 x 21 = 12 pints
Pints of yellow paint needed to make 21 pints of the green paint = 3/7 x 21 = 9 pints
What is the volume of the rectangular prism?
Help please
Answer:
Step-by-step explanation:
you got this i believe in you!
At Cecil's Pizza shop each slice of pizza is 1/8
of a pizza. If 6 friends each ate 1 slice of pizza, how much of the whole pizza did they eat?
Answer:
6/8
Step-by-step explanation:
There are 8 slices and 6 people ate 1 slice each so they ate 6/8 of the pizza
I need help on this question...
angles on a straight like add up to 180
so angle 1 is 180 - 122 = 58
Answer:
58
Step-by-step explanation:
Every straight line equals 180 degrees, so all you have to do is subtract the other side of the line by 180
Jace receives a shipment of 700
oranges. He randomly selects 25
oranges to weigh. In that sample, 2
oranges weigh 5 ounces. How many
oranges in the shipment can Jace
predict weigh 5 ounces?
A. 14
B. 644
C. 56
D. 698
Roberto is having his house painted. The job takes three days, and he pays the painter the same hourly rate
every day. The cost of the job is in the chart below.
Day 1
Day 2 Day 3
Hours worked
5
4
6
Amount paid
$300
$240
$360
What is the painter's unit rate of change of dollars with respect to time; that is, how much is the painter paid for
one hour worked?
The unit rate of change is
dollars per hour.
Graph the proportional relationship described above, with the x-coordinate representing hours worked, and
the y-coordinate representing amount paid in dollars.
y
SO-
Answer:
60 dollars per hour
The Martin’s want to buy a new computer. The regular price is $849. The store is offering a 20% discount and a sales tax of 6% is added after the discount. What is the total cost of the computer?
Answer: The total cost of computer would be $719.95
Step-by-step explanation:
I use proportions for these types of problems so we begin with a proportion!
20/100=x/849
100x=16980
x=169.80
Then, after finding how much the discount is, we would subtract it.
849-169.80=679.20
Next, we would find the tax amount with another proportion to find what 6 percent of 679.20 is.
6/100=x/679.20
100x=4075.2
x=40.75
Lastly, we would add the tax, $40.75, plus the total after the discount, $679.20!
Hope this helps! Good luck! (:
One evening, a restaurant served a total of 5/6 of a loaf of wheat bread and 3/10 of a loaf of white bread. How many loaves were served in all?
Answer:
1 2/15 loaves
Step-by-step explanation:
In a restaurant:
Total Loaf of wheat bread = 5/6
Total Loaf is white bread = 3/10
The total number of loaves that were served in all =
Loaf of wheat bread + Loaf of white bread
= 5/6 + 3/10
Lowest Common Denominator = 30.
Hence:
= 25 + 9/30
= 34/30
= 1 4/30
= 1 2/15 loaves
The total number of loaves served in all = 1 2/15 loaves
please help so i can pass
Answer:
5.385 = 5.4
Step-by-step explanation:
Answer:
5.4
Step-by-step explanation:
x^2+y^2=c^2
4+25=c^2
c^2=104
c=5.4
What equation in slope-intercept form represents the line that passes
through the points (3,-2) and (1, -3)?
Answer:
2y = x - 7
Step-by-step explanation:
The general equation of the line is;
y = mx + b
where m is the slope and b is the y-intercept
To get the slope, we use the slope formula
m = (y2-y1)/(x2-x1)
(x1, y1) = (3,-2)
(x2,y2) = (1,-3)
m = (-3+2)/(1-3) = -1/-2 = 1/2
So we have the equation as;
y = x/2 + b
Multiply through by 2
2y = x + 2b
To get the y-intercept value, we substitute any of the points
Let us use the first point
While 3 will go for x , -2 will go for y; thus we have;
2(-2) = 3 + 2b
-4 = 3 + 2b
2b = -4-3
2b = -7
b = -7/2
So the equation is;
2y = x -7
A mobile phone plan charges $0.06 per minute for calls during the day and $0.02
per minute for calls during the evening. If the bill for one month was $17.86 and
182 min of evening calls were made, how many daytime minutes were used?
Answer:
115.6 minutes were used during the day time rounded to nearest 10 is 116
Step-by-step explanation:
parallel and perpendicular
Parallel lines are lines in a plane that are always the same distance apart. Parallel lines never intersect. Perpendicular lines are lines that intersect at a right 90 degrees angle
Use the drop-down menus to complete each equation so the statement about its
solution is true.
Answer:
1. 8x+9
Step-by-step explanation:
One solution i.e. x=-9/8
TYPES OF TRIANGLES RIGHT ANGLED TRIANGLE ETC
Answer:
Step-by-step explanation:
b) Parallelogram
c) Square
d) Parallelogram***
***Not too sure about this one.
The figure below has a point marked with a large dot.
First, translate the figure 8 units to the left and 7 units up.
Then, give the coordinates of the marked point in the original figure and the final figure.
point in original figure:
Point in final figure:
For the linear equation, find the product of 5 and the linear equation, and solve both equations for y. 2x + 7y = 11
Answer:
(a) [tex]10x + 35y = 55[/tex]
(b) [tex]y = \frac{11 - 2x}{7}[/tex]
Step-by-step explanation:
Given
[tex]2x + 7y = 11[/tex]
Solving (a): Multiply equation by 5.
Multiply both sides by 5
[tex]5 * (2x + 7y) = 11*5[/tex]
Open bracket
[tex]5 * 2x + 5 * 7y = 11*5[/tex]
[tex]10x + 35y = 55[/tex]
(b) Solve for y in [tex]10x + 35y = 55[/tex] and [tex]2x + 7y = 11[/tex]
[tex]10x + 35y = 55[/tex]
Subtract 10x from both sides
[tex]35y = 55 - 10x[/tex]
Divide both sides by 35
[tex]\frac{35y}{35} = \frac{55 - 10x}{35}[/tex]
[tex]y = \frac{55 - 10x}{35}[/tex]
Factorize the numerator:
[tex]y = \frac{5(11 - 2x)}{35}[/tex]
Express 35 as 7 * 5
[tex]y = \frac{5(11 - 2x)}{7 * 5}[/tex]
[tex]y = \frac{(11 - 2x)}{7}[/tex]
[tex]y = \frac{11 - 2x}{7}[/tex]
When [tex]2x + 7y = 11[/tex] is solved, the solution will be: [tex]y = \frac{11 - 2x}{7}[/tex]
please help, i literally have no idea what this means
Answer:
SAS
Step-by-step explanation:
Answer:
SAS
Step-by-step explanation:
SAS means Side-Angle-Side theorem. Angle A is equal to angle D (sAs), side AB is equal to DE (Sas), and side CA is equal to FD (saS)
